Track texture memory globally

Also mostly consolidates texture creation

Change-Id: Ifea01303afda531dcec99b8fe2a0f64cf2f24420
diff --git a/libs/hwui/AssetAtlas.h b/libs/hwui/AssetAtlas.h
index a037725..75400ff 100644
--- a/libs/hwui/AssetAtlas.h
+++ b/libs/hwui/AssetAtlas.h
@@ -17,19 +17,17 @@
 #ifndef ANDROID_HWUI_ASSET_ATLAS_H
 #define ANDROID_HWUI_ASSET_ATLAS_H
 
-#include <GLES2/gl2.h>
-
-#include <ui/GraphicBuffer.h>
-
-#include <utils/KeyedVector.h>
-
-#include <cutils/compiler.h>
-
-#include <SkBitmap.h>
-
 #include "Texture.h"
 #include "UvMapper.h"
 
+#include <cutils/compiler.h>
+#include <GLES2/gl2.h>
+#include <ui/GraphicBuffer.h>
+#include <SkBitmap.h>
+
+#include <memory>
+#include <unordered_map>
+
 namespace android {
 namespace uirenderer {
 
@@ -71,6 +69,10 @@
             return texture->blend ? &atlas.mBlendKey : &atlas.mOpaqueKey;
         }
 
+        ~Entry() {
+            delete texture;
+        }
+
     private:
         /**
          * The pixel ref that generated this atlas entry.
@@ -90,10 +92,6 @@
                 , atlas(atlas) {
         }
 
-        ~Entry() {
-            delete texture;
-        }
-
         friend class AssetAtlas;
     };
 
@@ -127,7 +125,7 @@
      * Can return 0 if the atlas is not initialized.
      */
     uint32_t getWidth() const {
-        return mTexture ? mTexture->width : 0;
+        return mTexture ? mTexture->width() : 0;
     }
 
     /**
@@ -135,7 +133,7 @@
      * Can return 0 if the atlas is not initialized.
      */
     uint32_t getHeight() const {
-        return mTexture ? mTexture->height : 0;
+        return mTexture ? mTexture->height() : 0;
     }
 
     /**
@@ -143,7 +141,7 @@
      * Can return 0 if the atlas is not initialized.
      */
     GLuint getTexture() const {
-        return mTexture ? mTexture->id : 0;
+        return mTexture ? mTexture->id() : 0;
     }
 
     /**
@@ -160,7 +158,6 @@
 
 private:
     void createEntries(Caches& caches, int64_t* map, int count);
-    void updateTextureId();
 
     Texture* mTexture;
     Image* mImage;
@@ -168,7 +165,7 @@
     const bool mBlendKey;
     const bool mOpaqueKey;
 
-    KeyedVector<const SkPixelRef*, Entry*> mEntries;
+    std::unordered_map<const SkPixelRef*, std::unique_ptr<Entry>> mEntries;
 }; // class AssetAtlas
 
 }; // namespace uirenderer